Ilitek ILI9881c based MIPI-DSI panels

Required properties:
  - compatible: must be "ilitek,ili9881c" and one of:
    * "bananapi,lhr050h41"
  - reg: DSI virtual channel used by that screen
  - power-supply: phandle to the power regulator
  - reset-gpios: a GPIO phandle for the reset pin

Optional properties:
  - backlight: phandle to the backlight used

Example:
panel@0 {
	compatible = "bananapi,lhr050h41", "ilitek,ili9881c";
	reg = <0>;
	power-supply = <&reg_display>;
	reset-gpios = <&r_pio 0 5 GPIO_ACTIVE_LOW>; /* PL05 */
	backlight = <&pwm_bl>;
};